Thursday, March 11, 2021

Chemical Reactions and Equations | Activity 1.1 with Solution

Activity 1.1

CAUTION: This Activity needs the teacher’s assistance. It would be better if students wear suitable eyeglasses.

  • Clean a magnesium ribbon about 3-4 cm long by rubbing it with sandpaper.
  • Hold it with a pair of tongs. Burn it using a spirit lamp or burner and collect the ash so formed in a watch-glass as shown in Fig. 1.1. Burn the magnesium ribbon keeping it away as far as possible from your eyes.
  • What do you observe?
Answer:

Burning of a clean magnesium ribbon with a dazzling white flame to form white powder (magnesium oxide).

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